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Method for improving stress resistance of corn seeds by using exogenous vitamins

A vitamin and exogenous technology, applied in seed immunization, seed and rhizome treatment, application, etc., can solve the problems of long breeding cycle, increased cost input and labor costs, and high cost of mulching

Pending Publication Date: 2020-10-23
HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the breeding cycle of varieties is long, the cost of mulching is high, and hormone growth regulators are mostly used after being stressed by adversity, which increases both cost input and labor costs

Method used

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  • Method for improving stress resistance of corn seeds by using exogenous vitamins
  • Method for improving stress resistance of corn seeds by using exogenous vitamins
  • Method for improving stress resistance of corn seeds by using exogenous vitamins

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Select corn seeds that are consistent in size, plump, and undamaged, and disinfect them with 8% sodium hypochlorite. After disinfection, rinse them with distilled water three times, and place them in a ventilated place to dry naturally.

[0050] Use 50mg / L vitamin B 2 (VB 2 ) Soak the seeds in the germination box for 36 hours, 30 seeds each time, repeat 3 times. The artificial climate box was set up to treat 1, 3, 5, and 7 days of low temperature stress at 5°C in the dark, and then recovered in the plant growth room at 22°C for 7 days, and then placed in the artificial climate box to germinate.

Embodiment 2

[0052] Select corn seeds that are consistent in size, plump, and undamaged, and disinfect them with 8% sodium hypochlorite. After disinfection, rinse them with distilled water three times, and place them in a ventilated place to dry naturally.

[0053] Use 50mg / L vitamin B 12 (VB 12 ) Soak the seeds in the germination box for 36 hours, 30 seeds each time, repeat 3 times. The artificial climate box was set up to treat 1, 3, 5, and 7 days of low temperature stress at 5°C in the dark, and then recovered in the plant growth room at 22°C for 7 days, and then placed in the artificial climate box to germinate.

Embodiment 3

[0055] Select corn seeds that are consistent in size, plump, and undamaged, and disinfect them with 15% sodium hypochlorite. After disinfection, rinse them with distilled water 4 times, and place them in a ventilated place to dry naturally.

[0056] Use 200mg / L vitamin B 2 (VB 2 ) Soak the seeds in the germination box for 12 hours, 30 seeds each time, repeat 3 times. The artificial climate box was set up to be dark at 10°C for low temperature stress treatment for 1, 3, 5, and 7 days, and then recovered in the plant growth room for 3 days at 28°C, and placed in the artificial climate box to germinate.

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Abstract

The invention provides a method for improving the stress resistance of corn seeds by using exogenous vitamins, and relates to the technical field of crop cultivation and stress regulation. Exogenous vitamins VB2 and / or VB12 are / is used for soaking the corn seeds, seed germination is promoted, and the germination capacity and all physiological indexes of the corn seeds under different intensities of low temperature stress are remarkably enhanced. Compared with traditional methods, the method has the advantages of cost saving, synergy, time saving, labor saving and ecological safety, and provides a theoretical basis for relieving low temperature resistance of seeds by exogenous vitamins.

Description

technical field [0001] The invention relates to the technical field of crop cultivation and adversity regulation, in particular to a method for improving stress resistance of corn seeds by using exogenous vitamins. Background technique [0002] In recent years, the continuous change of climate and environment has become an important problem faced by crops during the growth process. During the seed germination period, they may encounter various adversities such as low temperature and waterlogging, which will cause crop powder and eventually lead to economic losses. Among them, low temperature is one of the important limiting factors of crop production potential in northern my country. [0003] When plants are exposed to low temperature, various physiological processes such as water metabolism, photosynthesis, material metabolism and biofilm will be affected to varying degrees. Low temperature in early spring is common in Northeast China, which inhibits the germination of cor...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01C1/08
CPCA01C1/00A01C1/08
Inventor 张海燕迟宇新杨丽杨克军赵长江林俊俊董洁静李佐同
Owner HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY
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